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Soranthera ulvoidea Postels et Ruprecht

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drawing of Soranthera ulvoidea
unilocular sorus after Setchell and Gardner 1925
Illustrations:
Sporophyte: Abbott and Hollenberg 1976, p. 197, fig. 160 (habit); Angst 1927a, pp. 273, 275, figs. 1–24 (stages in development on host); Scagel 1967, p. 105, figs. 38a, 38b (habit), fig. 38c (x-section, unilocular sorus); Setchell and Gardner 1925, pl. 39, figs. 40, 41 (x-section, unilocular sorus), pl. 83B (photo: habit); Wynne 1969a, pl. 41, figs. 10c, 10d, 10f (young plants in culture), pl. 21, fig. a (photo: habit in field), fig. f (photo: habit in culture), figs. d, e (photos: longitudinal sections, young plants in culture). Gametophyte: Angst 1926, p. 163, pl. 9, figs. 1–7 (young plants in culture), figs. 8–10 (plurilocular plants); Wynne 1969a, p. 41, fig. 10a (germlings), fig. 10b (plurilocular plants), pl. 21, figs. b, c (photos: germlings) Display references
Pacific Coast Distribution:
Attu I., Aleutian Is., Alaska (Miller 4010 in UC) to 3 km E of Government Point, Santa Barbara Co., Calif. (Silva 5450 in UC); Channel Is., Calif. (Santa Rosa I.: Silva 3243 and 3300 in UC); Baja Calif. (Punta San José and Campo de Enmedio: R. Aguilar Rosas et al. 1984, p. 162) Display references
Life History:
alternation of heteromorphic phases, with zoospores from unilocular sporangia on macroscopic epiphytic sporophytes giving rise to microscopic filamentous gametophytes bearing plurilocular gametangia; isogamous (Wynne 1969a, pp. 39–42; Angst 1926) Display references
Chromosomes:
Cole 1962, p. 314 Display references
Phenology:
sporophytes annual, appearing and reproducing in winter in the south (December in Baja Calif.), progressively later (spring) in the north
Biology/Ecology:
Lüning and Freshwater 1988, p. 312; D'Antonio 1985, p. 204; Scagel 1961, p. 528; Rigg and Miller 1949; Angst 1926 Display references
Morphology:
Angst 1927a Display references

 
J F M A M J J A S O N D
BRITISH
COLUMBIA
Pl                         Common, epiphytic on Neorhodomela and Odonthalia floccosa, in pools of the upper intertidal, in fully exposed habitats. Scagel 1957, p. 87. Scagel 1973, p. 135. Hawkes et al. 1979, p. 95. Display references
U        xxxxx      
S        xxxx        
COLUMBIA
RIVER
Pl                         Common, epiphytic on Neorhodomela and Odonthalia floccosa, in pools of the upper intertidal. Doty 1947, p. 36. Sanborn and Doty 1947, p. 28. Markham and Celestino 1977, p. 259. Display references
U        xxxx        
S        xx            
CAPE
ARAGO
Pl                         Abundant, epiphytic on Neorhodomela larix and Odonthalia floccosa, in pools of the mid and upper intertidal, in exposed habitats. Dawson 1965a, p. 15. Display references
U      xxxxxx      
S                        
CAPE
MENDOCINO
Pl                         Abundant, epiphytic on Neorhodomela larix , N. oregona and Odonthalia floccosa, in pools of the mid and upper intertidal, in exposed habitats. Kjeldsen 1995, p. Display references
U        xxxx        
S    xxx              
POINT
ARENA
Pl                         Abundant, epiphytic on Neorhodomela larix and Odonthalia floccosa, in pools of the upper intertidal, in exposed habitats. Johansen 1966a, p. 100. Kjeldsen 1995, p. 30. Display references
U      xxxxx        
S                        
SAN
FRANCISCO
Pl                         Common, epiphytic on Neorhodomela larix, in pools of the upper intertidal. Smith 1944, p. 127. Display references
U    xxxxxxx      
S    xxxxxxx      

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Page dated: Mon Feb 13 21:24:26 2006
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